<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        .item{
            float: left;
            margin: 30px;
            box-shadow: 3px 3px 5px 5px rgba(255, 155, 255, .6) ,-3px -3px 5px 5px rgba(255, 155, 255, .6) ;
        }
        img{
            vertical-align: middle;
        }
        
        
    </style>
</head>
<body>
    <div class="items">
        <div class="item">
            <img src="images/pic_1.jpg">
        </div>
        <div class="item">
            <img src="images/pic_2.jpg">
        </div>
        <div class="item">
            <img src="images/pic_3.jpg">
        </div>
        <div class="item">
            <img src="images/pic_4.jpg">
        </div>
        <div class="item"></div>
    </div>
</body>
</html>